﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace May_16_2021
{
    class StringUtil
    {
        public static bool IsNull(string a)
        {
            bool isnull = false;
            if (a.Equals("null") || a.Equals(" "))
            {
                isnull = true;
            }

            return isnull;
        }
    }
}
